Amendment 0003_200615 Amendment.pdf
PDF 70 KB Posted
- Attached to
- Construction of P447 Explosive Railcar Yard
- Solicitation number
- N40085-20-R-0048
About this file
This document provides details on an amendment to a federal solicitation for construction services. The amendment replaces language in the original solicitation related to insulated rail joints and insulated joint bars. Specifically, it updates references and specifications for insulated joints to conform with applicable portions of the AREMA Engineering Manual chapter on rail joints. It also replaces specifications for insulated joint bars, requiring they be one-piece polyurethane bonded bars meeting minimum tensile, flexural, and compressive strength thresholds as well as a dielectric strength rating. The amendment is for solicitation number N40085-20-R-0048 from the Department of the Navy Naval Facilities Engineering Command for construction of an explosive railcar yard at Crane Army Ammunition Activity in Crane, Indiana. Work under this solicitation includes demolition, site work, construction of rail yard and storage facilities, and relocation of rail lines and detection equipment between two project sites.
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Text version
CONTINUATION SHEET
Section 34 11 00 RAILROAD TRACK AND ACCESSORIES
2.10.4 INSULATED JOINTS
Replace the text in this section with the text below:
“Insulated joints shall conform to applicable portions of Chapter 4, Part 2 of AREMA Engineering
Manual.”
2.10.4.1 INSULATED JOINT BARS
Replace the text in this section with the text below:
“Insulated joints shall consist of a pair of 6-hole polyurethane bonded joint bars. The bars shall be one-piece polyurethane bonded. Tensile strength shall be a minimum of 105,000 psi. Flexural strength shall be a minimum of 125,000 psi, compressive strength shall be a minimum of 72,200 psi. Dielectric strength shall be 750 volts/mil at 50% RH and 72 degrees F. A pair of 6 hole polyurethane bonded insulated joint bars, l insulating end post, and 6 button-head-oval neck track bolts, nuts and washers, shall all furnished in a kit package.”
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